21618912091

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1\times {\mathrm{2417}}^1$

素因数の和:3379

約数の個数: 32

約数和(自身を含む): 26087473152

約数和(自身を除く): 4468561061

約数列:

[1, 7, 31, 47, 217, 329, 877, 1457, 2417, 6139, 10199, 16919, 27187, 41219, 74927, 113599, 190309, 288533, 524489, 795193, 1277789, 2119709, 3521569, 8944523, 14837963, 24650983, 65710979, 99626323, 459976853, 697384261, 3088416013, 21618912091]

約数ペア:

[(1, 21618912091), (7, 3088416013), (31, 697384261), (47, 459976853), (217, 99626323), (329, 65710979), (877, 24650983), (1457, 14837963), (2417, 8944523), (6139, 3521569), (10199, 2119709), (16919, 1277789), (27187, 795193), (41219, 524489), (74927, 288533), (113599, 190309)]